New Beyution BT513black Bluetooth Wireless Headphones Headset--bluetooth V4.1 Version---with Retail Package

Product Features
Bluetooth 4.1 standards:
Bluetooth 4.1, CSR solution,HSP,HFP,A2DP,AVRCP Lets you wirelessly connect to compatible devices, including select Apple iPhone 6/5s/5c/4s/4c/3/2 iPAD iPod, Android Smart phone; Samsung Galaxy S5/S4/S3 Note2/3; Galaxy Tablet; Nokia Toshiba Sony and BlackBerry Smart phone and devices; most Mac and Bluetooth-enabled PC laptops Tablet and desktops.
Built-in microphone
Allows clear communication; Enables use as a headset. Music and phone controls ensure ease of use.
3.5mm audio jack
Provides a simple wired connection of a variety of devices.
40mm drivers
Along with neodymium magnets produce deep, enhanced bass and full-range sound for dynamic audio.
Sound-isolating design
Built-in rechargeable lithium-polymer battery enables up to 7 hours of talk time or audio playback.
Carrying pouch
Protects the headphones during transport and storage.
20Hz - 20kHz frequency response
Offers faithful sound reproduction.
64 ohms impedance
Space-saving foldable headband
Allows simple transport and storage in the included hard travel case.
Included micro USB charge cable Passive noise reduction
Up to 15dB blocks background sounds for an immersive listening experience. Noise Blackout with dual microphone technology promotes optimal call quality.
119dB sensitivity (@ 1kHz)